Conrad, T. A. (1843). Descriptions of nineteen species of Tertiary fossils of Virginia and North Carolina. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 1: 323-329., available online athttps://www.biodiversitylibrary.org/page/1779423[details]
MolluscaBase eds. (2024). MolluscaBase. Solen directus Conrad, 1843. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=152837 on 2024-11-22
original descriptionConrad, T. A. (1843). Descriptions of nineteen species of Tertiary fossils of Virginia and North Carolina. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 1: 323-329., available online athttps://www.biodiversitylibrary.org/page/1779423[details]